28353921 (number)

28353921 is an odd 8-digits composite number following 28353920 and preceding 28353922. In scientific notation, it is written as 2.8353921 × 10^7. The sum of its digits is 33. It has a total of 3 prime factors and 8 positive divisors. There are 18636240 positive integers (up to 28353921) that are relatively prime to 28353921.

Interesting facts

Basic properties

Name

Name twenty-eight million three hundred fifty-three thousand nine hundred twenty-one

Notation

Scientific notation 2.8353921 × 10^7
Engineering notation 2.8353921 × 10^6

Prime Factorization of 28353921

Prime Factorization 3 × 71 × 133117

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 28353921
Product of the distinct prime numbers

The prime factorization of 28353921 is 3 × 71 × 133117. Since it has a total of 3 prime factors.

Most popular turbo-numbers

5, 9, 62, 2, 967, 323, 4067, 6202, 89661, 53644, 180598, 994440, 1311214, 9404808, 98023447, 10421811, 676131523, 938144343, 3611133240, 3332694793

Basic calculations (n = 28353921)

Multiplication

n×y
n×2 56707842
n×3 85061763
n×4 113415684
n×5 141769605

Division

n÷y
n÷2 14176960.5
n÷3 9451307
n÷3 7088480.25
n÷5 5670784.2

Exponentiation

ny
n2 803944836074241
n3 2.2794988370407E+22
n4 6.4632729945044E+29
n5 1.8325913188761E+37

Nth Root

y√n
2√n 5324.8399975962
3√n 304.93296385715
4√n 72.97150126999
5√n 30.940164970838

Divisors of 28353921

1, 3, 71, 213, 133117, 399351, 9451307, 28353921

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28353920
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 1
Returns the nth root of the product of n divisors
H Harmonic Mean 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28353921 can be divided by 8 positive divisors. The sum of these divisors (counting 28353921) is 1, the average is 0.125.

Base conversion 28353921

Base System Value
2 Binary 1101100001010010110000001
3 Ternary 1222100112021020
4 Quaternary 1230022112001
5 Quinary 24224311141
6 Senary 2451420053
8 Octal 154122601
10 Decimal 28353921
12 Duodecimal 95b4629
16 Hexadecimal 1b0a581
20 Vigesimal 8h44g1
36 Base36 gvq0x

Cryptographic Hash Functions

md5 883e46f6c94c00ed616a0849b3982bb0
sha1 91b4388b359fbf357073bd8c724e1b1ad8c219e8
sha256 32d9c5a2f83ea7796ce774e3a7b8f2457edd84b892e268c13fd56be2958af5fb
sha512 16176891961643d56e4cc8cef22ffab976a9a781610ff05f5677d056c13f9c2e34cc263df0ec562a45ffbf6e0f5928da32358d18798668f0f1813e7cbf673a6c
ripemd-160 494c322cf79f3e0a2d7863da5ae4ed21fdf4385f

28353921 as geometric shapes

Circle

Radius = n
Diameter 56707842
Circumference 178152939.82813
Area 2.5256671909023E+15

Sphere

Radius = n
Volume 9.548342400418E+22
Surface area 1.0102668763609E+16
Circumference 178152939.82813

Square

Length = n
Perimeter 113415684
Area 803944836074241
Diagonal 40098499.624655

Cube

Length = n
Surface area 4823669016445446
Volume 2.2794988370407E+22
Space diagonal 49110431.765794

Equilateral Triangle

Length = n
Perimeter 85061763
Area 3.481183256408E+14
Altitude 24555215.882897

Triangular Pyramid

Length = n
Surface area 3.481183256408E+14
Volume 2.6864151422972E+21
Height 13366166.541552